140 Vehicle careBatteries do not belong in householdwaste. They must be disposed of atan appropriate recycling collectionpoint.Laying up the vehicle for more than4 weeks can lead to batterydischarge. Disconnect the clamp fromthe negative terminal of the vehiclebattery.Ensure the ignition is switched offbefore connecting or disconnectingthe vehicle battery.The anti-theft alarm siren must bedeactivated as follows: switch theignition on then off, disconnect thevehicle's battery within 15 seconds.Replacing the batteryWhen the battery is being replaced,please ensure that there are no openventilation holes in the vicinity of thepositive terminal. If a ventilation holeis open in this area, it must be closedoff with a dummy cap, and theventilation in the vicinity of thenegative terminal must be opened.Only use batteries that allow the fusebox to be mounted above the battery.We recommend that you have thebattery replaced by a workshop.Diesel fuel system bleedingIf the tank has been run dry, the dieselfuel system must be bled. Switch onthe ignition three times for 15 secondsat a time. Then start the engine fora maximum of 40 seconds (fortechnical reasons only 30 secondsare possible on enginesA 17 DTR/Z 17 DTR). Repeat thisprocess after no less than 5 seconds.If the engine fails to start, seek theassistance of a workshop.Wiper blade replacementService setting for frontwindscreen wipersSwitch off the ignition but do notremove ignition key or open driver'sdoor.Within 4 seconds, push the wiperlever down and release as soon asthe wipers are vertical.